Mike Tyson has a strong message for Manny Pacquiao -- YOU "SHOULD BE F**KING BARRED FROM THE GROVE!!!"
Tyson blasted Pacquiao at LAX today ... telling TMZ Sports the comments Manny made about gay people was "totally disrespectful of other people's feelings."
As we previously reported, Manny said gay people were worse than animals and later quoted a bible verse that suggested gay people should be put to death.
Tyson explained that a lot of people share Manny's religious views about homosexuality -- but you have to RESPECT the feelings of other people .